Dr. Ann K. Buikema Wiarda, MD
- Medicare services, 2024
- 6,485
- Medicare patients, 2024
- 886
- Part D claims, 2024
- 2,147
- MIPS score, 2024
- 90
- Industry payments
- $16,757
- Practice address
- 4330 Edison Lakes Pkwy, Mishawaka, IN 46545
- Practice phone
- Call (574) 269-2777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grossnickle Eye Surgery Center - Warsaw Location
Mishawaka, Indiana
Find Dr. Buikema Wiarda's professional email, personal email and mobile number
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Dr. Ann K. Buikema Wiarda is an ophthalmologist in Mishawaka, Indiana
Dr. Buikema Wiarda practices at Grossnickle Eye Surgery Center - Warsaw Location in Mishawaka, Indiana.
Dr. Buikema Wiarda's NPI, 1538146246, was assigned on December 23, 2005. Dr. Buikema Wiarda graduated from Northwestern University Feinberg Medical School in 1995. Dr. Buikema Wiarda holds Indiana license 01047556A.
- NPI
- 1538146246NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759483092
- NPI enumeration date
- December 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 269-2777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ann K. Buikema Wiarda practices at Grossnickle Eye Surgery Center - Warsaw Location in Mishawaka, Indiana
Dr. Buikema Wiarda's primary practice is Grossnickle Eye Surgery Center - Warsaw Location, at 4330 Edison Lakes Pkwy, Mishawaka, IN 46545 in St Joseph County. The practice phone is (574) 269-2777.
- Grossnickle Eye Surgery Center - Warsaw Location4330 Edison Lakes Pkwy, Mishawaka, IN 46545 · St Joseph CountyPhone(574) 269-2777
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ann K. Buikema Wiarda is affiliated with 2 sites of care and 1 medical group
Dr. Buikema Wiarda's primary practice is Grossnickle Eye Surgery Center - Warsaw Location in Mishawaka, Indiana. Dmand AI also links Dr. Buikema Wiarda to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ann K. Buikema Wiarda's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buikema Wiarda practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grossnickle Eye Surgery Center - Warsaw Location | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ann K. Buikema Wiarda is one of 226 ophthalmologists in Indiana
Ophthalmology is Dr. Buikema Wiarda's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Buikema Wiarda is licensed in Indiana.
Specialties and state licenses
- Ophthalmology, IndianaPrimary
Ophthalmologists near Dr. Buikema Wiarda
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ann K. Buikema Wiarda billed Medicare for 6,485 services in 2024
CMS data shows 6,485 Medicare services from Dr. Buikema Wiarda across 22 procedure codes in 2024, for 886 Medicare patients. Medicare paid $894,252 for them.
Dr. Buikema Wiarda's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 8082024: 3,003272%
- Tests and treatments
- 2023: 1,4342024: 1,4072%
- Surgery
- 2023: 1,1702024: 1,05010%
- Office and hospital visits
- 2023: 9512024: 1,0056%
- Imaging
- 2023: 222024: 209%
Where Dr. Buikema Wiarda's Medicare services took place, 2024
- In an office5,82090%
- In a facility66510%
Dr. Buikema Wiarda compared with the Indiana median for ophthalmologists, 2024
- Dr. Buikema Wiarda
- Indiana median
- Medicare services
- 6,485vs 2,0223.2 times
- Medicare patients
- 886vs 67531% above
- Part D claims
- 2,047vs 7022.9 times
Medians across 240 ophthalmologists in Indiana with Dmand AI profiles that report each measure.
Dr. Buikema Wiarda's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ann K. Buikema Wiarda treated 886 Medicare patients in 2024, average age 76
CMS counts 886 Medicare patients who saw Dr. Buikema Wiarda in 2024. The largest group is 65 to 74, with 384 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Buikema Wiarda's median patient age at 74, with 58% women.
Dr. Buikema Wiarda's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Buikema Wiarda's Medicare patients by sex, 2024
- Women52359%
- Men36341%
Chronic conditions among Dr. Buikema Wiarda's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis41%
- Diabetes28%
- Ischemic heart disease24%
- Chronic kidney disease20%
- Mood disorders19%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Buikema Wiarda's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ann K. Buikema Wiarda wrote 2,147 Medicare Part D claims in 2024
In 2024, Dr. Buikema Wiarda wrote 2,147 Medicare Part D claims for 552 patients. 74% of them were for generic drugs. CMS names the drug for 2,047 of them, across 17 drugs with 11 or more claims each, at $89,468 in total drug cost. In 2023, CMS named 1,704 claims across 15 drugs.
Dr. Buikema Wiarda's Part D claims by kind of drug, 2024
- Generic1,592 claims74%
- Brand-name555 claims26%
Dr. Buikema Wiarda's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7042024: 2,04720%
Drugs named by CMS: 17 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ann K. Buikema Wiarda scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Buikema Wiarda for performance year 2024, reported as part of a group. Dr. Buikema Wiarda accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 657 procedures of cataract surgery by Dr. Buikema Wiarda, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Buikema Wiarda's MIPS scores, performance year 2024
- 90of 100Final score
- 91.4of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Buikema Wiarda ranks in Medicare procedure volume
- Cataract surgery
- 97th percentile657 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ann K. Buikema Wiarda received $16,757 in industry payments from 2016 to 2025
CMS Open Payments shows 211 general payments to Dr. Buikema Wiarda from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Alcon Laboratories Inc paid the most, $11,476.
General payments to Dr. Buikema Wiarda by program year, 2016 to 2025
General payments to Dr. Buikema Wiarda by kind, 2016 to 2025
- Food and beverage$13,76682%
- Travel and lodging$2,87117%
- Gifts$1211%
Companies that paid Dr. Buikema Wiarda the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ann K. Buikema Wiarda graduated from Northwestern University Feinberg Medical School
Dr. Buikema Wiarda graduated from Northwestern University Feinberg Medical School in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ann K. Buikema Wiarda's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ann K. Buikema Wiarda
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ann K. Buikema Wiarda's NPI number?
Dr. Ann K. Buikema Wiarda's NPI number is 1538146246. It was assigned on December 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann K. Buikema Wiarda?
Dr. Ann K. Buikema Wiarda is an ophthalmologist in Mishawaka, Indiana. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ann K. Buikema Wiarda practice?
Dr. Buikema Wiarda practices at 4330 Edison Lakes Pkwy, Mishawaka, IN 46545. Dr. Buikema Wiarda's primary practice is Grossnickle Eye Surgery Center - Warsaw Location in Mishawaka, Indiana. Dmand AI also links Dr. Buikema Wiarda to 1 group practice or clinic and 1 medical group.
What is Dr. Ann K. Buikema Wiarda's office phone number?
The practice phone on file for Dr. Buikema Wiarda is (574) 269-2777.
What is Dr. Ann K. Buikema Wiarda's medical license number?
Dr. Buikema Wiarda holds Indiana license 01047556A.
Does Dr. Ann K. Buikema Wiarda accept Medicare?
Yes. CMS data shows Dr. Buikema Wiarda billed Medicare for 6,485 services in 2024, and Dr. Buikema Wiarda accepts Medicare assignment.
What is Dr. Ann K. Buikema Wiarda's MIPS score?
Dr. Buikema Wiarda's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ann K. Buikema Wiarda see?
CMS counts 886 Medicare patients who saw Dr. Buikema Wiarda in 2024, with an average age of 76.
What services does Dr. Ann K. Buikema Wiarda bill to Medicare?
In 2024, Dr. Buikema Wiarda's most billed Medicare services were injected or infused drug (J2777), injected or infused drug (J0177) and office visit, established patient (99213).
Where did Dr. Ann K. Buikema Wiarda go to medical school?
Dr. Buikema Wiarda graduated from Northwestern University Feinberg Medical School in 1995.
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What drugs does Dr. Ann K. Buikema Wiarda prescribe most?
In 2024 Medicare Part D data, Dr. Buikema Wiarda's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Ann K. Buikema Wiarda received payments from drug or device companies?
CMS Open Payments shows $16,757 in general payments to Dr. Buikema Wiarda from 18 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Ann K. Buikema Wiarda been practicing?
Dr. Buikema Wiarda graduated from medical school in 1995, 31 years ago.
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